Beer that is 5 percent alcohol by volume freezes at 27 degrees Fahrenheit. Canned goods will react similarly to soda if left in a freezing car, the AARP warned.
You should place the bottles on the fridge for the test and measure the temperature after an hour. You will realize that the temperature drops hastily, then it starts to slow down with time. By the time the beer reaches 20 degrees Fahrenheit, it will be after five hours or so.